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201201211011200 = 2752175851632123
BaseRepresentation
bin101101101111110111001110…
…101101011111000010000000
3222101101122111100001220121112
4231233313032231133002000
5202332440040004324300
61551530321010142452
760244210400406461
oct5557671655370200
9871348440056545
10201201211011200
1159121a55347044
121a696186581a28
138836267724c5a
143798294d06d68
15183da8a23ce35
hexb6fdceb5f080

201201211011200 has 192 divisors, whose sum is σ = 526357695013920. Its totient is φ = 75733272576000.

The previous prime is 201201211011197. The next prime is 201201211011209. The reversal of 201201211011200 is 2110112102102.

It is not an unprimeable number, because it can be changed into a prime (201201211011209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317978339 + ... + 318610461.

Almost surely, 2201201211011200 is an apocalyptic number.

201201211011200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201201211011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263178847506960).

201201211011200 is an abundant number, since it is smaller than the sum of its proper divisors (325156484002720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201201211011200 is a wasteful number, since it uses less digits than its factorization.

201201211011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638015 (or 637998 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201201211011200 its reverse (2110112102102), we get a palindrome (203311323113302).

The spelling of 201201211011200 in words is "two hundred one trillion, two hundred one billion, two hundred eleven million, eleven thousand, two hundred".